Question: Who owned the Mona Lisa in 1519?
Paraphrase: In 1519 who was the owner of the Mona Lisa?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q12418 p:P127 ?s . ?s ps:P127 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1519')) }